HEATER ONLY
PAGE 55
RED DOT UNITS
Diagrams for R-255
R-254 & R-255 Auxiliary HeatersRV • TRUCKS
OPTIONS:Heater Hose Toggle Switch Defrost Hose Outlet 3 1⁄2” 5⁄8” to 3⁄4” Adapter Control Panel 78R0100 71R0100 RD-1-0639-0P 70R7110 71R5819 Heater control - Two-speed motor switch with manual water valve control
Diagrams for R-254
9.5"241mm
3.75"95mm
6.45"163mm
7.25"184 mm
16.0"407mm
3.75"95mm
6.45"163mm
7.25"184 mm
R-254-4 Configuration Shown with mounting legs, floor exit
R-254-0 Shown with mounting legs, rear exit
Tried and true, our R-254 (single-fan) and R-255 (double-fan) auxiliary heaters are among the most versatile and maintenance-free heaters you’ll find. Their round-tube-and-fin design lets you mount these heaters in any position using our multi-position leg brackets or flush-mount frame, and their compact size, simple plumbing, and high output make them ideal for any application.
= Limited to stock on hand
SPECIFICATIONS
R-254 R-255
BTUs 16,000 BTU/Hr @ 150°F 30,000 BTU/Hr @ 100°F (4.69kw @ 65.6°C) air temp. rise (8.79kw @ 37.8°C) air temp. rise
AIR FLOW 150 CFM (255 m3/h) 280 CFM (476 m3/h)
WEIGHT 7 lbs. (3 kg) 12 lbs. (5.5 kg)
CURRENT 3.3 amps @ 13.6 VDC 6.6 amps @ 13.6 VDC DRAW 1.7 amps @ 27.2 VDC 3.3 amps @ 27.2 VDC
MODELS Single Fan Double Fan 5⁄8" fittings, rear exit: 5⁄8" fittings, rear exit: R-254-0P (12 VDC) R-255-10P (12 VDC) R-254-0-24P (24 VDC) R-255-10-24P (24 VDC) 3⁄4" fittings, rear exit: R-254-1P (12 VDC)
FLOOR EXIT 5⁄8" fittings: FLOOR EXIT 5⁄8" fittings: R-254-4P (12 VDC) R-255-12P (12 VDC)
TO APPROPRIATE POWER SOURCE(12V OR 24V)
WARNING: UNIT WARRANTY VOID IF FUSED POWER SOURCE NOT USED.
NOTE: R-254 & R-256 HAVE SINGLE MOTORS.
ADD GROUND WIRE
ORANGE(HIGH SPEED)
WATER IN
WATER OUT
RED(LOW SPEED)
HIGH
LOW
SWITCH
OFF
NOTE: CONNECT OUTLET ATHIGHEST POINT AS SHOWNTO ALLOW AIR ESCAPEMENT
NOTE: NOT SUITABLE FOR OTHER THAN FRESH WATER COOLING.
NOTE: SWITCH NOT INCLUDED(FOR WIRING INFO. ONLY).
INSTALLATION INSTRUCTIONS
HEATERS ANDAIR CONDITIONERS
®
AuxiliaryHeaters
Models R-254, R-255, R-2561-6D
RED DOT CORPORATION P.O. Box 88790, Seattle, WA 98138
RD-5-4534-0 (REV. --)
MOUNTING POSITIONS (TYPICAL)
Floor Mount Ceiling Mount Floor Mount (Extended) Bulkhead Mount (Flush)
HEATER ONLY
PAGE 57
RED DOT UNITS
R-290Auxiliary Heater (Single Blower) The R-290 is a compact, high-velocity heater with a single three-speed blower motor. A defrost hose adapter is available for ducting air.
R-290 SPECIFICATIONS
BTUs 20,000 BTU/Hr @ 150°F (kw 5.86 @ 65.6°C) air temp. rise
AIR FLOW 220 CFM (373 m3/h)
WEIGHT 7 lbs. (3 kg)
CURRENT 4.3 amps @ 13.6 VDC (high speed) DRAW 2.7 amps @ 27.2 VDC (high speed)
MODELS R-290-0P (12 VDC), 5/8 fitting rear exit R-290-0-24P (24 VDC), 5/8 fitting rear exit R-290-4P (12 VDC), 5/8 fitting floor exit R-290-4-24P (24 VDC), 5/8 fitting floor exit
OPTIONS:Defrost Hose Outlet Adapter Switch Knob 3 1⁄2” RD-1-0639-0P 71R1150 71R4050
11.52"292mm
9.52"242mm
7.34"186mm
6.45"163mm
7.5"191mm
= Limited to stock on hand
R-295Auxiliary Heater (Double Blower) With a three-speed blower motor, the R-295 produces 430 CFM—a powerful, compact, and robust heater. A defrost hose adapter is avail-able for ducting air.
R-295 SPECIFICATIONS
BTUs 35,000 BTU/Hr @ 180°F (kw 10.25 @ 82°C) air temp. rise
AIR FLOW 430 CFM (730 m3/h)
WEIGHT 11 lbs. (5 kg)
CURRENT 16 amps @ 13.6 VDC (high speed) DRAW 7 amps @ 27.2 VDC (high speed)
UNITS R-295-0P (12 VDC), 5/8 fitting rear exit R-295-0-24P (24 VDC), 5/8 fitting rear exit R-295-4P (12 VDC), 5/8 fitting floor exit
18"435mm
16"407mm
7.5"191mm
7.34"186mm
6.45"163mm
OPTIONS:Defrost Hose Outlet Adapter Switch Knob 3 1⁄2” RD-1-0639-0P 71R1150 71R4050 (uses two)
Control Panel71R5821 Heater control – Three-speed motor switch with manual water valve control71R5823 Heater control – Three-speed motor switch with electronic water valve control
Control Panel71R5821 Heater control – Three-speed motor switch with manual water valve control71R5823 Heater control – Three-speed motor switch with electronic water valve control
RED DOT CORPORATION PO Box 88790, Seattle, WA 98138 (425) 251-6897 Fax (425) 251-3934
RD-5-8847 REV - For reference only. Subject to change without notice Page 1 of 2
Auxiliary HeatersR-290, R-295
NOTE: R-290 HAS A SINGLE BLOWER MOTOR
Installation Instructions
RED DOT CORPORATION PO Box 88790, Seattle, WA 98138 (425) 251-6897 Fax (425) 251-3934
RD-5-8847 REV - For reference only. Subject to change without notice Page 2 of 2
Auxiliary HeatersR-290, R-295
WIRING DIAGRAM
WARNING: UNIT WARRANTY VOID IF FUSED POWER SOURCE NOT USED
FAN SPEED SWITCHSWITCH NOT INCLUDED WITH MOTOR
HE
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PAGE 58
RED DOT UNITS
R-2020 Auxiliary Heater-Defrost and Oil CoolerMARINE • INDUSTRIAL • CONSTRUCTION
20.4"519mm
8.0"203mm
5.1"129mm
OPTIONS:
R-2020 SPECIFICATIONS
BTUs Heat –17,800 BTU/Hr @ 100°F (kw 5.21 @ 37.8°C) with water for heat source (BTU's per hour with oil for heat source lower)
AIR FLOW 165 CFM (280 m3/h)
WEIGHT 10.7 lbs. (4.85 kg)
MOTOR One 12 VDC or one 24 VDC single speed
CURRENT 6 amps @ 13.6 VDC, 3 amps @ 27.2 VDC DRAW
UNITS R-2020-0P (12 VDC), R-2020-0-24P (24 VDC)
2 1⁄2'' Defrost Adapter 72R36013'' Defrost Adapter 72R3603Swivel Fittings 70R7600 (Straight 5⁄8'' hose) 70R7650 (90° 5⁄8'' hose)
Hoses78R0100 (Heater, 5⁄8” 50ft)78R0250 (Defrost, 2 1⁄2” 9ft)78R0300 (Defrost, 3” 9ft)
Switches 71R0050 (Toggle, ON-OFF) 71R1210 (Rotary, 3-speed)
Mounting Bracket RD-1-0419-0P
Shown with optional fittings and mounting bracket
Control Panel71R5817 Heater control – Single speed motor switch with manual water valve control
R-297Auxiliary Double Blower HeaterTRUCK SLEEPERS
The R-297 is a powerful, three-speed floor-mounted heater for cabs used in demanding environments.
R-297 SPECIFICATIONS
BTUs Heating - 28,000 BTU/Hr
AIR FLOW 300 CFM (510 m3/h)
WEIGHT 9.8 lbs. (4 kg)
CURRENT 6A @ 27V DRAW 12A @ 13.5V
UNITS R-297-0P 12 VDC R-297-0-24P 24 VDC
16.0"407mm
7.1"180mm
6.3"160mm 4.29"
109mm
R-297
3
1211
10
1
9
6
21
2
4
5
5
7
8
SERVICE PARTS LIST
RED DOT CORPORATION P.O. Box 58270 Seattle, WA 98138 (253) 575-3840
A. OPTIONAL ITEM
ITEM
1234567
PART NO.
RD-5-4550-0RD-5-4550-24RD-1-0411-0RD-5-3800-0RD-1-0408-0RD-1-0419-0RD-1-0425-0
DESCRIPTION
MOTOR (12V)MOTOR (24V)MOTOR MOUNT ASSYBLOWER WHEELHOUSING ASSYMOUNTING BRACKETSTRAIGHT SWIVEL FTG ASSY-USE W/ 5/8" HOSE
CAT. NO.
73R 010273R 0104
73R 6250
70R 7600
ITEM
8
9101112131415
PART NO.
RD-1-0426-0
RD-1-0427-0RD-1-0440-0RD-1-0422-0RD-1-0423-0RD-1-0415-0RD-5-4035-52RD-1-1153-0
DESCRIPTION
90° SWIVEL FTG ASSY-USE W/ 5/8" HOSEHEATER CORE ASSYFRONT COVER ASSYAUX OUTLET ASSY(2.5")AUX OUTLET ASSY(3.0")SCREENCLAMPAUX. OUTLET (3-RING)
CAT. NO.
70R 7650
76R 0500
70R 5650
NOTE
AA
NOTE
A
AA
A
ORDERING INFORMATIONORDER BY MODEL NUMBER R-2020-0.
FOR 24 VOLT APPLICATIONS ADD -24 TO MODEL NUMBER.Additional Cost Items May Be Needed For Installation:
1. Control Switch - RD-5-5194-0 (3 Speed)2. 2.50" Outlet Assy - RD-1-0422-03. 3.00" Outlet Assy - RD-1-0423-04. 3- Ring 2.5" Outlet Assy- RD-1-1153-05. Universal Mounting Bracket - RD-1-0419-06. 90° Fitting Assy #8 Female O-Ring & 5/8" Hose Fitting - RD-1-0426-07. Straight Fitting Assy #8 Female O-Ring & 5/8" Hose Fitting - RD-1-0425-0
13
RD-1-0439-0 (REV C)
FOR REFERENCE ONLY. SUBJECT TO CHANGE WITHOUT NOTICE
14
Red Dot Auxiliary Heater-DefrosterR-2020 Series
TECHNICAL SALES BULLETIN AND SERVICE PARTS LIST
HEATERS ANDAIR CONDITIONERS
DIMENSIONS
SPECIFICATIONS
APPLICATION
ELECTRICAL SCHEMATIC PLUMBING SCHEMATIC
BTU's Per Hour:Air Flow:Current Draw:
Weight:
17,800 BTU/Hr @ 100 F. Air Temp. Rise165 C.F.M.6 Amps @ 12 Volts3 Amps @ 24 Volts10.7 Lbs.
SCHEMATICS
MOUNTING POSITIONS (TYPICAL)
R-2020 Is A Universal Unit That May Be Mounted In Any Position With Defrost Only, Defrost & Heater Or Heater OnlyModes, And Straight Or 90 Degree "O" Ring & Hose Fittings. Unit May Be Installed On Air Cooled Engine Heated Oil Systems.
This Unit Was Designed As A Versatile Package To Meet Increasing Demands For Heating And Defrosting In TheAbove Captioned Equipment, Also For Additional Source Of Heat To Compliment Existing Heaters And Defrosters.
Construction & Industrial Cabs Marine
8.00 in.203.2 mm
20.42 in.518.7 mm
5.07 in.128.8 mm
FromEngine
ToEngine
Single ShaftMotor internallyGrounded.Unit RequiresChassisGrounding.
To D.C.Power
NOTE: – RD-3200-1 Control Assembly May Also Be Used. This Control Cycles Fan To Maintain Pre Set Temperature.
Water "OUT"Always PlumbedTo Highest Nipple.
R-2020Unit
Water "IN"Always PlumbedTo Lowest Nipple Water
Valve
Switch(NotIncluded)
Blk
6.12 in.155.45 mm
(R-2020-2ONLY)
PRINTED ON RECYCLED PAPER
HEATER ONLY
PAGE 59
RED DOT UNITS
R-3540 HEATERSAuxiliary HeaterCRASH/FIRE/RESCUE • VAN • BUS
Designed for small spaces, the R-3540 delivers high capacity for its size. With a pancake fan design, this unit is quiet and moves close to 200 CFM of air. It has versatile mounting (flat or horizontal) and a resistor for variable speed control.
R-3540 SPECIFICATIONS
BTUs 22,970 BTU/Hr @ 180°F (kw 6.73 @ 82.6°C) air temp. rise
AIR FLOW 194 CFM (330 m3/h)
WEIGHT 10 lbs. (4.5 kg)
CURRENT 4.8 amps @ 13.6 VDC DRAW
UNITS R-3540-2P (12 VDC)
7.8"197mm10.8"
273mm
12.6"321mm13.4"
340mm
5.4"138mm
5.4"138mm
6.6"168mm
R-3500 HEATERAuxiliary HeaterCRASH/FIRE/RESCUE • CREW CABS
The R-3500 crew cab heater was designed with high performance to be able to heat larger cabs in extreme conditions. Its low profile and heavy duty construction allows this heater to be used in various applications.
23.7"603mm
11.0"279mm
9.8"248mm
1.7"43mm
R-3500 SPECIFICATIONS
BTUs Heating – 49,000 BTU/Hr @ 180°F (kw 14.35 @ 82.2°C) temp. rise
AIR FLOW 480 CFM (816 m3/h)
WEIGHT 28 lbs. (13 kg)
CURRENT 15.9 amps @ 13.6 VDC DRAW
UNITS R-3500-1P (12 VDC)
NOTE: Gasket on front
Red Dot Corporation PO Box 88790, Seattle, WA 98138 (425) 251-6897 Fax (425) 251-3934
RD-1-1417-0 REV - For Reference Only. Subject to change without notice Page 1 of 1
Heater –Model R-3500 Series
SERVICE PARTS LIST
ITEM NOTE PART NO. DESCRIPTION ITEM NOTE PART NO. DESCRIPTION
1 RD-2-2701-O BLOWER ASSY 11 RD-5-8043-11.25 CONVERTER-CBL CNTRL2 RD-2-2701-1 BLOWER ASSY 12 RD-5-8032-0 MOTOR 12 VOL3 RD-6-3933-0 BLOWER WHEEL (2) 15 RD-5-3647-0 RESISTOR-SPEED CNTRL4 RD-1-1276-1 BRACKET-INLET TUBE 14 RD-3-3174-0 RETAINER-MOTOR5 RD-1-1274-1 COVER ASSY 15 RD-1-1293-1 SCREEN-FRONT6 RD-2-2746-0 ENTRY RING (2) 16 RD-5-3646-0 .SWITCH-ROTARY 3 SPD7 RD-1-1281-0 HEATER CORE ASSY 17 RD-5-7760-3 VALVE-WTR, CBL OPER.8 RD-1-0387-2.25 HOSE-5/8 ID SILICONE (2). 18 RD-1-1264-0 HOUSING ASSY9 RD-5-5928-0 KNOB-CONTROL 19 RD-1-1284-0 TUBE-INLET10 RD-5-8127-0 KNOB CONTROLA. NOT SHOWN
Red Dot Corporation PO Box 88790, Seattle, WA 98138 (425) 251-6897 Fax (425) 251-3934
RD-1-1413-0 REV - For Reference Only. Subject to change without notice Page 1 of 1
Red DotStepwell Heater
R-7550 SeriesSERVICE PARTS LIST
ITEM NOTE PART NO. DESCRIPTION1 RD-1-1399 HOUSING ASSY.2 RD-1-1401-0 CORE ASSY.-HEATER3 RD- 1-1392-0 COVER ASSY.-BACK4 RD-3133-4 MOTOR5 RD-1-1402-0 MOTOR ASSY.6 RD-3133-9 FAN
A RD-4272-0 GROMMETA RD-5-7052-0 GROMMET
Note: A = Not Shown
HE
ATER
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PAGE 56
RED DOT UNITS
R-273Auxiliary HeaterRV • TRUCKS
The R-273 is a compact heater with optional “snap-in” outlet so you can direct the air to where you need it.
OPTIONS:LouversRD-5-14071-0P
R-270 SPECIFICATIONS
BTUs Heating – 14,000 BTU/Hr @ 100°F air temp. rise (4.1 kW @ 34.8°C)
AIR FLOW 129 CFM (220 m3/h)
WEIGHT 3 lbs. (1.35 kg)
MOTORS One 12 VDC (3-speed)
CURRENT 4.6 amps @ 13.6 VDC DRAW 2.3 amps @ 27.2 VDC
UNITS R-273-0P (12 VDC) R-273-0-24P (24 VDC) )
Installation Kit RD-1-1654-0P
= Limited to stock on hand
R-270Auxiliary HeaterRV • TRUCKS
The R-270 is a compact heater with two optional “snap-in” outlets so you can direct the air to where you need it.
OPTIONS:Snap In Outlets
Straight 2 1⁄4” Hose Outlet72R4532
Louvered Outlet72R3157
R-270 SPECIFICATIONS
BTUs Heating – 15,000 BTU/Hr @ 100°F air temp. rise (4.4 kW @ 34.8°C)
AIR FLOW 140 CFM (237 m3/h)
WEIGHT 7 lbs. (3 kg)
MOTORS One 12 VDC (2-speed)
CURRENT 7.7 amps @ 13.6 VDC DRAW 3.8 amps @ 27.2 VDC
UNITS R-270-0P (12 VDC) R-270-0-24P (24 VDC)
Installation Kit RD-1-1654-0P 12VDC
Control Panel71R5819Heater control - Two-speed motor switch with manual water valve control
10.5"273mm
4.5"114mm
8.0"199mm
10.3"255mm
4.5"114mm
7.4"188mm
HE
ATER
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PAGE 60
RED DOT UNITS
R-6130Box HeaterBUS • CONSTRUCTION • MINING • AGRICULTURE • INDUSTRIAL
The R-6130’s compact size is ideal for mounting in tight areas and the rotatable blower makes it easy to duct heat to where you need it.
R-6130 SPECIFICATIONS
BTUs Heating – 28,100 BTU/Hr @ 180°F (8.2 kW @ 37.8°C) air temp. rise
AIR FLOW 283 CFM (481 m3
UNITS R-6130-1P (12 VDC) R-6130-0P (24 VDC)
9.75"250mm
13.65"345mm
8.8"225mm
4"100mm
9"230mm
OPTIONS:Control Panel71R5819 Heater control - Two-speed motor switch with manual water valve control
R-4013HHeater/Defroster CONSTRUCTION • MINING • AGRICULTURE • INDUSTRIAL
The R-4013H is a compact, versatile, and high-output heater/defroster. Like other Red Dot heaters, the tube and fin coil design allows mounting in any posi-tion. A diversion door can be manually or cable-actuated to control defrost and heat output. An optional adapter to the heat outlet turns the R-4013 into a dual defroster or multi-compartment heater.
13.6"345mm
11.6"295mm
8.4"213mm
Nipples5⁄8"
16mm
11.5"292mm
3.5"89mm
OPTIONS:Heater Hose 3 1⁄2” Defrost 5⁄8” – 50’ Adapter 78R0100 72R3550
R-4013H SPECIFICATIONS
BTUs Heating – 20,000 BTU/Hr @ 100°F (5.7 kW @ 37.8°C) air temp. rise
AIR FLOW 185 CFM (314 m3/h)
WEIGHT 15.7 lbs. (7.1 kg)
CURRENT 11 amps @ 13.6 VDC, DRAW 5.5 amps @ 27.2 VDC
UNITS R-4013HP (12 VDC) For 24 volt see R-6130 (right)
Control Panel71R5819 Heater control - Two-speed motor switch with manual water valve control